ECOMMERCE OPERATOR GSTIN NO.

mahendra sahoo (Gst Practicion) (702 Points)

31 July 2018  
One person sold his product by Amazon in different states to b2c only
GSTR 1 FILING it asking for ECOMMERCE OPERATOR GSTIN NO. But he didn't know the GSTIN of ecommerce operator.
Here how can i know the GSTIN no of this?